TM 9-2320-364-102-246 2-29. LOAD HANDLING SYSTEM (LHS).a.Controls and Indicators.·Before starting any LHS operations, clean all operatingcomponents of snow, ice, sand or mud or damage to equipmentmay result.·Before starting any LHS operations, adjust extension mirror tomonitor LHS operations or damage to equipment may result.·If terrain is deeply rutted, soft soil, etc., mud flaps must bepinned up before beginning LHS operations or damage to mudflaps may result.·If LHS had previously been used in Manual Mode and notcompletely stowed in Auto Mode, the hook arm cylinders mustbe completely extended or the LHS must be completely stowedusing Auto Mode before the flatrack can be loaded. Failure tocomply may result in damage to the truck and flatrack.(1)Joystick (1) controls operations of loading (LOAD) and unloading(UNLOAD) of flatracks.(2)Hydraulic Selector Switch (2).Engine speed must be at idle before using hydraulic selectorswitch, or damage to equipment may result.(a)OFF POSITION: Joystick (1) not operational (LHS transit mode).